Sharp R-210A Troubleshooting Chart, Test Procedure Possible Cause And Defective Parts, Problem

Models: R-210A

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TROUBLESHOOTING CHART

R-210A

TROUBLESHOOTING CHART

TEST PROCEDURE

POSSIBLE CAUSE

AND

DEFECTIVE PARTS

CONDITION

 

PROBLEM

 

Fuse

13A blows when

 

power cord is plugged into

 

wall outlet.

OFF

Fuse 13A blows when the

CONDITION

door is opened.

 

 

Home fuse blows when

 

power cord is plugged into

 

wall outlet.

 

Oven does not operate at all.

 

Oven goes into cook cy-

 

cle but shuts down before

 

end of cooking cycle.

 

Oven lamp does not light.

 

(Fan motor rotates)

 

Fan motor does not oper-

 

ate, but oven lamp lights.

COOKING

Timer motor does not oper-

CONDITION

 

ate, but oven lamp lights.

 

Turntable motor does not op-

 

erate, but oven lamp lights.

 

Oven seems to be operat-

 

ing but little or no heat is

 

produced in oven load. (Mi-

 

crowave power control is

 

set at "HIGH" position, and

 

turntable motor operates.)

 

Oven

does not operate

 

properly in another position

 

except "HIGH" position.

 

 

 

A B C D E E E F F I I I G G HJ K

MAGNETRON

POWER TRANSFORMER

H.V. RECTIFIER ASSEMBLY

HIGH VOLTAGE CAPACITOR

1ST. LATCH SWITCH

2ND. LATCH SWITCH

MONITOR SWITCH

TEMPERATURE FUSE 120˚C (OVEN)

THERMAL CUT-OUT 95˚C (MG)

TIMER MOTOR

TIMER CONTACT

TIMER VARI. SWITCH

FAN MOTOR

TURNTABLE MOTOR

FUSE 13A

POWER SUPPLY CORD

SHORTED WIRE HARNESS

OPENED WIRE HARNESS

OVEN LAMP OR SOCKET

BLOCKED VENTILATION OPENING

MISADJUSTMENT SWITCH

HOME FUSE OR BREAKER

WALL OUTLET

BLOCKED COOLING FAN

NOISE FILTER

H. V. FUSE

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Sharp R-210A specifications Troubleshooting Chart, Test Procedure Possible Cause And Defective Parts, Problem